The Delain surname
In the 2000 U.S. Census, 240 people carried this name — #74,957 among all U.S. surnames, about 1 in every 1,111,100 people counted.
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In France’s civil register
France’s register of deaths holds 149 people named Delain.
3 of them were born outside France. Those born in France came from 22 départements, most often Calvados.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Belgium’s population register
At least 39 people named Delain live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Walloon Brabant.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Delain.
- Delafosse 293 · U.S. census
- Delage 640 · U.S. census
- Delagrange 763 · U.S. census
- Delahay 118 · U.S. census
- Delahaye 176 · U.S. census
- Delaigle 126 · U.S. census
- Delaine 624 · U.S. census
- Delair 496 · U.S. census
- Delaire 196 · U.S. census
- Delamare 190 · U.S. census
- Delamotte 195 · U.S. census
- Delance 240 · U.S. census
When the index is not enough
This page says where Delain is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.